6.2 DHW circulation pipes .................................................................................................. 32
6.3 Connection of the DHW circulation pipe with cylinder banks ........................................ 32
■ Installing the Vitocell 100-V and 300-V as a cylinder bank ....................................... 33
■ Installing the Vitocell 100-V and 300-V as a cylinder bank ....................................... 33
6.4 Connection on the heating side .................................................................................... 34
■ Connection on the heating side ................................................................................ 34
■ Connection on the heating side with return temperature limit ................................... 38
6.5 Sensor wells ................................................................................................................. 39
7. Installation — cylinder loading
system
7.1 DHW connection ........................................................................................................... 40
■ Version 1 — cylinder loading system with one Vitocell 100-L and Vitotrans 222 for
modulating flow temperatures ................................................................................... 40
■ Version 2 — cylinder loading system with several Vitocell 100-L in parallel and
Vitotrans 222 for modulating flow temperatures ....................................................... 41
■ Version 3 — cylinder loading system with several Vitocell 100-L in parallel and
Vitotrans 222 for constant flow temperatures ........................................................... 42
■ Version 4 — cylinder loading system with several Vitocell 100-L in series and
Vitotrans 222 for modulating flow temperatures ....................................................... 43
7.2 Connections .................................................................................................................. 44
■ Connection on the DHW side of the Vitotrans 222 (accessories) in conjunction with
a Vitocell 100-L ......................................................................................................... 44
■ Connections on the heating water side ..................................................................... 45
7.3 Sample applications ...................................................................................................... 45
■ Cylinder loading systems under various connection conditions ................................ 45
■ Sample application 1 – Vitocell 100-L with Vitotrans 222 and boiler with Vitotronic . 46
■ Sample application 2 – Vitocell 100-L with Vitotrans 222 and a third party control unit 47
■ Sample application 3 – Vitocell 100-L with Vitotrans 222 and constant flow temper-
atures ........................................................................................................................ 48
8. Appendix 8.1 Questionnaire regarding the sizing of DHW cylinders .................................................. 50
■ DHW cylinders in DHW heating systems .................................................................. 50
8.2 Checklist for heat exchanger enquiries/sizing .............................................................. 52
■ Purpose: Water/water ............................................................................................... 52
8.3 Checklist for heat exchanger enquiries/sizing .............................................................. 52
■ Purpose: Steam/water .............................................................................................. 52
9. Keyword index .............................................................................................................................................. 53
Index
(cont.)
DHW heating
VIESMANN
3
5414 646 GB